Black Duck Signal™ is a commercial software composition analysis solution by Black Duck Software, Inc. SCA (Open Source Security) is a free software composition analysis solution by Xygeni. Features, integrations, deployment and the company behind each one, side by side.
AI-powered application security platform for software development
Identifies real open-source risk and blocks malicious dependencies in real time
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Based on what each listing shows: deployment, company size, price and open source.
Black Duck Signal™ fits if you want a cloud product.
SCA (Open Source Security) fits if you need both cloud and on-premises options, you are a startup or a small business and you need a free product.
Common questions when comparing Black Duck Signal™ vs SCA (Open Source Security) for software composition analysis.
Black Duck Signal™: AI-powered application security platform for software development. Built by Black Duck Software, Inc.
SCA (Open Source Security): Identifies real open-source risk and blocks malicious dependencies in real time. Built by Xygeni.
The table above shows where their features, integrations, deployment and company size fit differ.
Black Duck Signal™ is made by Black Duck Software, Inc. SCA (Open Source Security) is made by Xygeni. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Black Duck Signal™ and SCA (Open Source Security) are both Software Composition Analysis products, and both cover DevSecOps, Software Supply Chain, Open Source. Key differences: Black Duck Signal™ is Commercial while SCA (Open Source Security) is Free. Use the table above to see where features, deployment and company size fit differ.
No Software Composition Analysis shortlist yet. This is the closest one.
Updated 2026-11-02
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